Home / 96,986.76-133,840.44-54,545.29

Finding the Fourth Proportional to 96,986.76, 133,840.44 and 54,545.29

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Solution

The fourth proportional to 96,986.76, 133,840.44 and 54,545.29 is: 75,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.76 : 133,840.44 = 54,545.29 : x
  2. Step 2: Convert to fraction form
    96,986.76/133,840.44 = 54,545.29/x
  3. Step 3: Cross multiply
    96,986.76x = 133,840.44 × 54,545.29
  4. Step 4: Simplify right side
    96,986.76x = 7,300,365,613.53
  5. Step 5: Solve for x
    x = 7,300,365,613.53/96,986.76
  6. Step 6: Final answer
    x = 75,271.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.